.museumBox,.museumBox .banner{width:100%}.museumBox .banner>img{width:100%;height:auto;vertical-align:middle}.museumBox .about{width:100%;height:285px;background:url(https://obs.51jianmo.com/jmyd/resources/img/activity/about_07.png) 50% no-repeat;background-size:cover}.museumBox .jmyd{width:100%;background:url(https://obs.51jianmo.com/jmyd/resources/img/activity/content_07.png) 50% no-repeat;background-size:cover;height:429px}.museumBox .content{width:100%;background:#d4e3f3;padding:41px 0 73px;min-width:1220px}.museumBox .content>img{display:block;margin:auto;width:1202px;height:auto}.museumBox .contract{width:100%;height:200px;background:url(https://obs.51jianmo.com/jmyd/resources/img/activity/contract_07.png) 50% no-repeat;background-size:cover}